Oscillating disk piston for disk meters, &amp;c.



G. DE LAVAL. OSCILLATING DISK PISTON FOR DISK METERS, 6w.

APPLICATION FILED JULY 12, 1906.

I Patented June 1, 1909.

2 m J 0 y am ward from the dis UNITED STATES Ia rrENT OFFICE.

GEORGE DE LAVAL, OF EAST ORANGE, NEW JERSEY, ASSIGNOR TO HENRY R. WORTHING- TON, OF NEW YORK, N. Y.. A CORPORATION OF NEW JERSEY.

OSCILLATING DISK PISTON DISK METERS, &c.

lb all whom it may concern:

' Be it known that I, GEORGE DE LAVAL, a citizen of the United States, residing at East Orange, county of Essex, and State, of New Jersey, have invented certain new and useful Improvements in Oscillating Disk Pistons ior Disk Meters and the Like, fully described and represented in the following specification and the accompanying drawingls, forming a part of the same. I

his invention relates to oscillating disk pistons of that class used in disk meters, the object of the invention being to provide an improved metal reinforcement for hardrubber disks of this class.

The invention consists in embedding in the disk a strengthenin wire which extends inedge around the disk slot, so as to avoid the great liability to breakage at the inner end of the slot, while .the piston, except at the edge and around the slot, consists of a solid body of hard rubber.

In the accompanying drawings the inven tion is shown as applied in connection with a disk meter of the class now well-known as the Worthington disk meter, and this construotion will now be described, and the invention specifically pointed out in the claims.

Figure 1 is a vertical central section of the lower portion of a disk meter embodying the invention. Fig. 2 is a plan view of the disk. Fig. 3 is a central section of another form of disk embodying the invention.

Referring to said drawings, A is the outer casing and B the inner or measuring chamber having the disk iston (.3 which is shown as of a common form aving the spherical bearing hub 10 and disk or web 11, the disk ist on. being shown in Figs. 1 and 2 as coned or use with a fiat base Wall of the measuring chamher, while in Fig. 3 a straight disk is shown,

Specification of Lettei s Patent. Application filed July 12,1906. Serial No. 325,774.

Patented June 1, 1909.

for use with a double coned measuring chainber, as well understood in this art. The disk has the radial slot 1 eo acting with the usual abutment or dia hragm in the measuring chamber, amhfhe isk is strengthened b a wire 2 embedded in the edge of the disk and extendin inward from the edge at opp0 site sides of t e slot 1, and around the inner end of the slot. The wire preferably extends throughout the'entire edge of the disk, so as to. strengthen the disk throughout. A very strong andrigid hard rubber disk is thus provided, which avoids all danger of breakage at the inner edge of .the slot, while the main portion of the disk is formed of a continuous body of rubber.

While my oscillating disk piston is espeeially intended for disk meters, it will be understood that it is applicable, also, in other oscillatingdisk actions, such as disk engines and pumps.

What I claim is 1. An oscillating disk piston of hard rubber having a slot and a reinforcing wire embedded in the disk and extending inward from the edge at the o posite sides of the dlisk slot and around t e inner end of the s 0t.

2. An oscillating disk piston of hard rubber havinga slot and a reinforcing wire en1- bedded in and extending throughout the edge of the disk and having a continuous portion extendinginward from the edge at the o posite sides of the disk slot and aroun the inner end of the slot.

In testimony whereof, I have hereunto set -my hand, in the presence of two subscribing witnesses.

. GEORGE DE LAVAL. Witnesses:

A. H. BRAIDWOOD,

B. M. SANDERS. 

